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Set N Puzzle 99 -- VH

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Thu Jan 29, 2009 7:09 pm Post subject: Set N Puzzle 99 -- VH

multi-step VH.

Code:

+-----------------------+
| 7 . . | 1 . . | . . . |
| . 4 5 | . . 7 | 6 . 1 |
| . 8 . | 3 6 . | . 4 7 |
|-------+-------+-------|
| 5 . 8 | 6 . . | . . . |
| . . 9 | . 2 . | . . 5 |
| . 3 . | . . 1 | . . . |
|-------+-------+-------|
| . 1 . | . . . | . . 9 |
| . . 2 | . . . | . 6 . |
| . 5 4 | . 1 . | 7 . 2 |
+-----------------------+

Play this puzzle online at the Daily Sudoku site

===== ===== ===== ===== ===== ===== ===== ===== ===== Ratings

Can be solved using steps from ...

Basics: Naked/Hidden Single, Naked Pair/Triple, Locked Candidate 1/2

Basics+: Naked Quad, Hidden Pair/Triple/Quad

VH: BUG+1, UR Type 1, X-Wing, XY-Wing, XYZ-Wing

VH+: 2-String Kite, Empty Rectangle, Remote Pair, Skyscraper, Colors, UR Type 2

Advanced: finned/Sashimi X-Wing, Multiple Colors, Swordfish, M-Wing, W-Wing, XY-Chain

Extreme: Jellyfish, (but mostly) Chain

storm_norm

Joined: 18 Oct 2007
Posts: 1741

Posted: Fri Jan 30, 2009 7:37 am Post subject:

Code:

.------------------.------------------.------------------.
| 7 9 6 | 1 458 458 | 2358 258 38 |
| 3 4 5 | 2 89 7 | 6 89 1 |
| 2 8 1 | 3 6 59 | 59 4 7 |
:------------------+------------------+------------------:
| 5 2 8 | 6 7 349 | 349 1 34 |
| 1 6 9 | 48 2 348 | 348 7 5 |
| 4 3 7 | 589 589 1 | 289 289 6 |
:------------------+------------------+------------------:
| 6 1 3 | 7 48 2 | 458 58 9 |
| 89 7 2 | 4589 3 4589 | 1 6 48 |
| 89 5 4 | 89 1 6 | 7 3 2 |
'------------------'------------------'------------------'

Quote:

x-wing 9
UR {8,9}
(9=8)r2c5 - (8)r7c5 = (8)r8c6 - (8=4)r8c9 - (4=5)r8c4 - (5)r6c4 = (5)r6c5; r6c5 <> 9

wapati

Joined: 10 Jun 2008
Posts: 472
Location: Brampton, Ontario, Canada.

Posted: Fri Jan 30, 2009 3:53 pm Post subject:

It is hard to do this as a VH because there are many shortcuts. For me not using skyscrapers was hardest. I did do it with: xy-wing, xyz-wing, x-wing, UR1, x-wing, and xy-wing. Fun puzzle!

daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Fri Jan 30, 2009 3:56 pm Post subject:

wapati wrote:

It is hard to do this as a VH because there are many shortcuts. For me not using skyscrapers was hardest.

I did do it with: xy-wing, xyz-wing, x-wing, UR1, x-wing, and xy-wing.

Fun puzzle!

I'm glad you enjoyed it!

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